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Summary of Contents for Fisher Labs CZ-3D
- Page 1 CZ-3D Deep Search, 4-Tone, Target I.D. Metal Detector OPERATING MANUAL F I S H E R R E S E A R C H L A B O R A T O R Y...
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Page 2: Table Of Contents
CONTENTS About Your Detector ..............pg. 3 Condensed Operating Instructions ........pg. 4 Factory Preset “Turn-On-And-Go” Marks ......pg. 4 Setting Up .................. pg. 5 Hipmounting................pg. 7 Control Panel ................pg. 7 Turn-On Procedure ..............pg. 9 Ground Balancing ..............pg. 9 Pushbutton Method .............. -
Page 3: About Your Detector
"enhance mode" with the utilization of the "salt/ enhance" switch to find more rare coins! The CZ-3D was designed to find more good metals such as brass, bronze, copper, silver, and certain gold: reporting it as a high tone. In addition, a fourth tone has been added to distinguish between the midtone heard on round &... -
Page 4: Condensed Operating Instructions
Your CZ-3D is fairly simple to operate, especially when compared to other target ID machines. Even so, we strongly recommend that you read this entire manual. You’ll be able to tune your CZ-3D to your specific needs and conditions. A good understanding what to do and why will lead you to more finds. -
Page 5: Setting Up
Upper stem Built-in detector stand Figure 1. FISHER CZ-3D The CZ-3D comes to you just about ready to use. Take a look at the diagram above and familiarize yourself with the parts of the CZ-3D before proceeding. 1. Unpack your new CZ-3D carefully. Save the carton and inserts for future storage or shipment. - Page 6 SETTING UP 5. With the stem length properly adjusted, wrap the loop cable tightly around the center section stem and secure it with the two Velcro straps. Connect the cable connector to the control housing. CAUTION: Make sure that the cable is not pulled tight at the control housing and that you have enough slack at the search coil to adjust it to any angle.
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Page 7: Hipmounting
CZ-3D is operating at its maximum potential in just about any ground condition including wet ocean sand. 2. DISC: In the 0 through 6 position the CZ-3D is in the target ID mode, which is a silent, no-threshold, motion-discrimination mode of operation with the ability to identify and then ignore (“reject”) or accept... - Page 8 3. PINPOINT/DEPTH READING: A three purpose, spring loaded push-button. When pushed and held, the CZ-3D goes into a no-motion, all-metal mode for precise pinpointing and approximate depth reading of coin-sized targets. This button is also used in conjunction with the GROUND control during the ground balancing procedure.
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Page 9: Turn-On Procedure
GROUND BALANCING When your CZ-3D is properly “ground balanced,” it will have only a minimum response to ground mineralization. Precise adjustment of the ground control is critical. The higher the degree of ground mineralization or sensitivity setting, the more critical it is. -
Page 10: Pushbutton Method
“PUSHBUTTON” GROUND BALANCE METHOD This will probably be your method of choice in all but the most difficult of ground conditions. It’s fast, easy and accurate. You can use this method in either the Autotune or Target ID mode. 1. With your controls set as in the “Turn-On” procedure, (GROUND control at 10), hold the search coil parallel to and 6 to 12 inches off the ground. - Page 11 C The hum will remain the same, or if it changes slightly, the change is the same whether you lower or raise the coil. Your CZ-3D is properly ground balanced, and you are ready to begin your search. You have gone past the correct ground balance setting.
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Page 12: Search Modes
Just leave the GROUND control at 10 and begin searching. SEARCH MODES Your CZ-3D has two search modes: 1) Target ID or 2) Autotune. Both search modes are “motion” modes, meaning the search coil must be in motion to detect a target. -
Page 13: Search Modes: Auto Tune
TARGET ID SEARCH MODE When the DISC control is set in the 0 through 6 position, the CZ-3D has the ability to identify many types of small targets and, depending on the discrimination level, reject or ignore most of them. To better understand just how your CZ-3D responds to different targets, try the following: 1. - Page 14 9. When you go over a large, shallow target the CZ-3D will respond with a distinctive belltone. This is due to the fact that metal detectors can only identify small targets. What usually happens is that the detector circuits will overload and identify a large target as “good”...
- Page 15 13. At the maximum DISC level of 6 the CZ-3D will ignore most all-small targets except silver, clad, zinc and copper coins.
- Page 16 SEARCH MODES FIGURE 4. TYPICAL CZ-3D AUDIO AND METER REPONSES. ¢ METER ¢ ¢ IRON IRON FOIL READING DISC SETTING: SHARP, NARROW RESPONSE NO RESPONSE SMOOTH, BROAD RESPONSE SEARCH AUTO COIL TUNE COPPER ¢ ¢ PENNY FOIL ¢ STEEL SMALL...
- Page 17 • “REAL WORLD - OTHER” = Probable reading of what all other detectors will ID the specified target as in real dirt. • “REAL WORLD - CZ-3D” = Most probable reading on the CZ-3D in ‘enhance’ mode. • TARGET/REAL WORLD "REAL WORLD OTHER"...
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Page 18: Searching
If you swing your coil too fast you lose some sensitivity to deep and/or small targets. 11. Figure 7 on the next page shows the CZ-3D search coil pattern and how it is affected by sweep speed, ground mineralization... - Page 19 NOTE: Unlike other metal detectors, the discrimination level has little if any effect on the depth capability of the CZ-3D. Note however, that the all-metal, Autotune mode has a wider search pattern and may detect a little deeper. Depth is also determined by the size, shape and conductivity of the target as well as the sensitivity setting of the CZ-3D.
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Page 20: Pinpointing: Pushbutton Pinpoint Mode
1. Once the presence of a target is indicated by the “beep-beep” of your CZ-3D, simply move the coil away from the target area, and with the coil lightly on the ground or very close to it, press and hold the PINPOINT button. -
Page 21: Pinpointing: Target Id And Autotune Modes
TARGET IDENTIFICATION Target ID with the CZ-3D is quick and simple. Just keep in mind these four rules: A. You must be in the Target ID mode. If you’re searching in Auto tune, switch over to “0”... - Page 22 DISC setting you’ve chosen and the CZ-3D is rejecting it. 5. Here’s a quick and easy way to tell the difference between a small shallow piece of foil and a gold ring (or other possibly good target) without digging: if you get a good solid, “FOIL”...
- Page 23 TARGET IDENTIFICATION 7. Set your discrimination at an appropriate level. If there’s very little trash in the area, set it low, say at iron discrimination and dig every good signal. If there is a lot of trash present and you’re mainly interested in coins, set the discrimination level high—you may even want to sacrifice nickels and zinc pennies in extremely trashy areas.
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Page 24: Depth Reading
DEPTH READING Your CZ-3D will give you a quick and approximate depth reading of coin-size targets, usually within an inch. 1. Place the search coil lightly on the ground at least twelve inches away from your target area. 2. Press and hold the PINPOINT button. -
Page 25: Target Recovery
Generally speaking, beachcombers do little if any damage to the environment while recovering targets. However, if you plan to use your CZ-3D on lawns or in parks, your target recovery method can be very important. Two of the most successful methods are illustrated in a separate booklet "Origin of the M-Scope/Target... -
Page 26: Recovery Tools
FALSE SIGNALS A “False Signal” occurs when something sounds like a good target, but is not. Your CZ-3D does a great job of discriminating, but bad “targets” with similar electrical characteristics can fool it. Large pieces of trash or items very close to the search coil will occasionally sound “good”. -
Page 27: Maintenance
Large deep target (water pipe). MAINTENANCE Your CZ-3D doesn’t require a lot of care. It’s built with high quality materials but there are a few things you should do to keep it in peak operating condition. 1. If you’re not going to be using it for a while, take the batteries out. -
Page 28: Treasure Hunters' Code Of Ethics
TREASURE HUNTERS’ CODE OF ETHICS LETS PRESERVE OUR TREASURED SPORT! Laws governing the use of metal detectors are becoming more and more common. In many countries, the use of metal detectors is illegal or severely restricted. Don’t let this happen in your area. ALWAYS get permission to hunt on private property. -
Page 29: Battery Replacement
If either or both of the batteries are installed incorrectly, the CZ-3D will not turn on. The instrument will not be damaged. 4. Finger tighten the screws down snugly. Do not use a screwdriver or other hand tool. -
Page 30: Specifications
SPECIFICATIONS LENGTH ......Extended ............51" ..........Collapsed ..........41” WEIGHT ......Complete..........3.7 lbs Control Housing ........1.5 lbs Handle and Coil ........2.2 lbs FREQUENCY ..................... 1. Multiple Frequency Transmit & Dual, VLF Receive ..5 KHz and 15 KHz ..........2. Target Response: .......... - Page 31 5. VCO: Voltage Controlled Oscillator. Volume and frequency increase as target is approached for pinpoint accuracy. 6. The CZ-3D is a motion detector in the AUTOTUNE and Target ID modes. The search coil must be moving at least slightly to detect a target.
- Page 32 •QUALITY• Fisher detectors are renowned for their quality construction. In the Fisher tradition, each and every detector is hand crafted with pride. •PERFORMANCE• Since 1931, treasure hunters worldwide have relied on Fisher. Proven in the field durable, dependable, deeper. •REPUTATION• Dr.
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